Home / 15,902.04-21,943.80-8,828.46

Finding the Fourth Proportional to 15,902.04, 21,943.80 and 8,828.46

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Solution

The fourth proportional to 15,902.04, 21,943.80 and 8,828.46 is: 12,182.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902.04 : 21,943.80 = 8,828.46 : x
  2. Step 2: Convert to fraction form
    15,902.04/21,943.80 = 8,828.46/x
  3. Step 3: Cross multiply
    15,902.04x = 21,943.80 × 8,828.46
  4. Step 4: Simplify right side
    15,902.04x = 193,729,960.55
  5. Step 5: Solve for x
    x = 193,729,960.55/15,902.04
  6. Step 6: Final answer
    x = 12,182.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.